Etymology
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pottage (n.)

"soup, meat-broth," c. 1200, potage, "thick stew or soup," literally "food prepared in a pot, that which is put in a pot," from Old French potage "vegetable soup, food cooked in a pot," from pot "pot" (see pot (n.1)). The spelling with double -t- is from early 15c.; the later spelling with one -t- is a later borrowing (see potage).

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sprue (n.)
"piece of metal (later plastic) attached to a cast object," 1875, earlier (1849) "channel through which metal is poured into a mold;" of unknown origin.
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fish-tail (n.)
1840, "the tail of a fish," from fish (n.) + tail (n.). As a verb, also fishtail, 1927, originally of aircraft, later automobiles. Related: Fishtailed; fishtailing.
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won't 
contraction of will not, first recorded mid-15c. as wynnot, later wonnot (1580s) before the modern form emerged 1660s. See will.
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teleportation (n.)
1931 as a term in psychics and later (1951) science fiction; from tele- + (trans)portation. Apparently coined by Charles Fort (1874-1932).
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precipitious (adj.)

1610s, now obsolete, but formerly preferred by purists for the sense "high and steep" over the later formation precipitous. Related: Precipitiously.

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jazzbo (n.)
1917, "low, vulgar jazz," from jazz (n.). Later in 20c. it was in use as a derogatory term for persons, especially blacks.
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bivalence (n.)
"state or quality of being bivalent," 1868; see bivalent + -ence. Bivalency is from 1872. Divalence is said to be the preferred later word.
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pop-up (n.)
from 1906 as a type of baseball hit; from pop (v.) + up (adv.). As an adjective from 1934 (of a children's book, later toasters, etc.).
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justiciary (n.)
"administrator of justice," 1540s; later as an adjective, "pertaining to the law" (1580s), from Medieval Latin justiciarius, from Latin iustitia (see justice (n.)).
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